RFDA0035 Datasheet, PDF (3/11 Pages) RF Micro Devices – DIGITAL CONTROLLED IF DUAL VGA 5 BIT 1dB LSB CONTROL

RFDA0035
20
15
10
5
0
-5
-10
-15
0
Gain (dB) versus Attenuation at Different Frequencies
180 MHz
400 MHz
300 MHz
500 MHz
5
10
15
20
25
30
Attenuation State (dB)
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0
Major Attenuation States Bit Error (dB) versus Frequency
1dB
2dB
4dB
8dB
16dB 31dB
100
200
300
400
500
Frequency (MHz)
25
20
15
10
5
0
-5
-10
-15
-20
0
All States' Gain (dB) versus Frequency
100
200
300
400
500
Frequency (MHz)
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
-1.0
0
Bit Error (dB) versus Attenuation State
60MHz
180MHz
100MHz
300MHz
4
8
12
16
20
24
28
32
Attenuation State (dB)
Max Gain (dB) versus Frequency, Three Temperatures
21
20
19
18
-40C
25C
85C
17
16
0
100
200
300
400
500
Frequency (MHz)
Worst Case Step Error (dB) Between Successive Attenuation States
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0
100
200
300
400
500
Frequency (MHz)
DS110329
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at ([phone] or [e-mail].
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